Patrick Ben Koetter:
> Use DNS (round robin) to provide more than one IP for server1.tld or cluster
> the ip.
Georg Sch?nweger:
> Does this solve the problem? if IP1 is down will postfix retry to send
> via IP2? Or will postfix just defer the delivery? If so then
> smtp_fallback_relay seems to me to be the better option because there is
> no delay.
The Postfix SMTP client tries all IP addresses, up to smtp_mx_address_limit
or smtp_mx_session_limit, depending on which limit is reached first.
Wietse
